E2791
E2791 is TCXO manufactured by IQD.
ISSUE 7; April 2016
Description Zarlink approved TCXO for GR-1244 & GR-253 Stratum 3 applications.
Frequency Parameters
Frequency Frequency Stability Ageing
20.0MHz ±0.28ppm ±4.6ppm max after 20 years
Electrical Parameters Supply Voltage
3.3V ±5%
Operating Temperature Ranges -20 to 70°C
Output Details
Output patability Drive Capability
HCMOS 15p F max
Output Control
Tri-State Operation: Logic ‘1’ (≥60%VS) to pad 8 enables output Logic ‘0’ (≤20%VS) to pad 8 disables output When at logic ‘0’ the output stage is disabled for all output options, but the oscillator and pensation circuit are still active (Current consumption <1m A)
Output Levels
VOL: ≤10% Vs VOH: ≥90% Vs
Noise Parameters
Phase Noise (max):
- 85d Bc/Hz @ 10Hz
- 110d Bc/Hz @ 100Hz
- 125d Bc/Hz @ 1k Hz
- 135d Bc/Hz @ 10k Hz
Environmental Parameters
Storage Temperature: -55 to 125°C
Shock: IEC 60068-2-27, Test Ea: 980m/s2 acceleration for 6ms, 3 shocks in each of 3 mutually perpendicular...
